What to do if the prompt of virtual memory is low appears?

Error message:
Windows - Virtual memory is low：
The virtual memory is not enough. Enlarge the page files of the virtual memory.
When the users deal with such occurrence, some requests which will occupy the memory will be refused.
Please refer to the help below for more details.
Please confirm the information below.

■

Please ensure the free space in Disk C:.

Virtual memory will occupies the space of Disk C:.
So, please check whether the free space in Disk C: is enough.
Please refer to the solutions below for more details.